Hardhat suspension adapter for half facepiece respirators



FIG. 1 is a front perspective view showing a new design for a hardhat suspension adapter for half facepiece respirators;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The portions of the hardhat suspension adapter for half facepiece respirators in FIGS. 1 to 7 shown in broken lines are included to show features that form no part of the claimed design. 

CLAIM The ornamental design for a hardhat suspension adapter for half facepiece respirators, as shown and described. 